Section 7(2)(d) in The Forest (Conservation) Rules, 2003
(d)The Regional Empowered Committee shall within a period of thirty days examine the proposals referred to it under clause (c) above and after such further enquiry as it may consider necessary, grant in-principle approval to the proposals other than proposals related to mining, encroachment and hydel projects subject to fulfilment of stipulated conditions, or reject the same and the Regional Office shall communicate the decision of the Regional Empowered Committee to the concerned State Government or the Union Territory Administration, as the case may be, within next five working days.